Explosive-engine.



P. MUELLER.

BXPLOSIVE ENGINE.

APPLICATION FILED DEC. 12. 1911.

1,127,799. Patented Feb. 9, 1915.

FHA/WK MUfLL ER A TTOR/VEY THE NORRIS PETE RS 60.. PIK 70 LITHGY. wASHlNu ruN. D c.

llbllllFED ddATE PATENT @EFICE.

FRANK MUELLER, 0F ALLENTOVV N, PENNSYLVANIA.

EXPLOSIVE-ENGINE.

Application filed Becember 12, 1911.

To all whom it may concern Be it known that I, FRANK MUELLER, a citizen of the United States, residing at Allentown, Lehigh county, in the State of Pennsylvania, have invented certain new and useful Improvements in Explosive-Engines, of which the following is a full, clear, and exact specification.

My invention relates to improvements in explosive engines and the same has forits object more particularly to provide a simple and eflicient engine in which the essential operating parts are reduced to the smallest number possible.

Further, said invention has for its object to provide an engine in which the intake and exhaust ports are positively controlled by a single valve member.

Further, said invention has for its object to provide an engine having its intake and exhaust ports arranged in close proximity to each other, and the valve member adapted to close the intake ports as the exhaust ports are opened, and vice versa.

Further, said invention has for its object to provide an engine having a plurality of intake ports and a plurality of exhaust ports arranged in close proximity to each other, and a single valve member having a lesser number of openings therein than the total number of said intake and exhaust ports whereby when said valve member is actuated, it will simultaneously uncover or open a greater number of exhaust ports than it will cover or close intake ports during each reciprocation.

Further, said invention has for its object to provide a valve which will require no packing in order to produce a perfect contact between the outer wall thereof and the inner wall of the casing or chest within which said valve works.

Further objects will. in part be obvious and in part be pointed out hereafter.

To the attainment of the aforesaid objects and ends, my invention consists in the novel details of construction and in the combination, connection and arrangement of parts hereinafter more fully described and then pointed out in the claims.

In the accompanying drawings forming part of this specification, wherein like nu- Inerals of referenceindicate like parts, F igure 1 is a central vertical section having one form of explosive engine constructed according to, and embodying my said inven- Specification of Letters Patent.

retell-tea Feb. 9, 1915.

Serial No. 865,235.

as a whole comprising a cylinder 11 having its upper portion provided with an opening 12,. and said upper portion surrounded by a water jacket 13. The said water jacket 13 is provided with a water inlet 1% and an outlet 15. To the lower or open end of the cylinder 11 is bolted the'upper portion of a casing 16 having an opening in the side thereof closed by a removable cover l7. l8 denotes the base of said casing which is secured along its'upper flanged edge to the lower flanged edge of the casing portion 16. In the bottom of the casing portion 18 is provided an outlet opening to receive a drain cock 19. Within the cylinder 11 is disposed a piston 20 which is providedwith the usual packing rings 21 and adapted to work therein in the usual manner.

22 denotes the driving shaft arranged below the open end of the cylinder 11, and supported in suitable bearing arranged on the casing 16, and 23 denotes a crank fixed on said shaft and connected by a rod 24: with the piston 20.

In the upper end of the cylinder 11 is secured a petcock 25, and to one side of the cylinder 11, adjacent to its upper end, is arranged a valve casing or chest 26, which has its upper end sealed by a removable head 27, and its lower end sealed by a recessed head 28. \Vithin the head 27 is secured a spark plug or igniting device 29. The said casing or chest 26 communicates, ad acent to its upper end, with the opening 12 extending from the upper end of the cylinder 11. At the opposite side of said chest or casing are arranged a plurality of transverse exhaust ports 30, 30, 30 which communicate with a common outlet 31, which is connected by a suitable pipe 32 communicating with a muflier or directly with atmosphere.

Directly below the exhaust openings 30, 30, 30 are arranged a plurality of intake ports 33, 33 which communicate with a common intake opening 34. connected to an intake pipe 35 which is partly surrounded by the exhaust outlet pipe 32 in order to superheat the incoming explosive charge. The said exhaust ports 30, 30, 30, and inlet ports 33, 33 are all arranged horizontally parallel and those of each series arranged equidistant from each other. The series of intake ports is separated from the series of exhaust ports by a smaller intervening space than that separating the individual ports of each series.

Within thechest or casing 26 is arranged a hollow cylindrical valve 36. The said valve 36 is made thicker along one of its sides andgradually tapers toward its opposite side where said valve is split longitudinally. Thesaid valve is provided in its thicker portion 37 with a plurality of horizontal parallel openings 38, 38 which correspond in size with the exnaust openings 30, 30, 30 and intake openings 33, 33, and are adapted to register therewith. Upon the rear side of said valve opposite to its openings '38, 38 is. provided a large opening 39. 40 denotes abracket extending inwardly from the inner side of the thicker portion of said valve adjacent to its lower edge, and to the inner end of said bracket, is secured a sleeve 41 within which is disposed the upper end of a rod 42 which is secured in position within the sleeve 41 by means of adjusting screws 43, 43. The. lower end of said rod 42 extends through the head 28 in the base of said chest or casing and through the tubular extensions 44 depending from the outer surfaces of said head 28. 'The lower end of said rod 42 is forked and-within the forked end thereof is mounted a roller 45. The lower end of the rod 42 is squared,

and the roller 45' carried thereby extends through an opening 46 in the casing p0rtion 16. The squared end of the rod 42 is guided and held against rotary movement by means of a cap 47 secured in the. casing portion 16, and is provided in its under side with a recessed portion to receive the roller 45 aforesaid. i

48 denotes a shaft arranged parallel with,

' and in a horizontal plane to one side of and above the driving shaft 22. The said shaft 48 is supported in suitable bearings and extends into the casing 16. Upon the portion of the shaft 48 located within the casing 16, is fixed a cam 49 upon the outer surface of which the roller 45 mountedin the lower end of the valve rod 42 is adapted to ride,

.and upon the outer projecting end of the I shaft 48 is fixed a large gear wheel 50which meshes with a smaller gear wheel 51, fixed upon the outer end of the crankshaft 22.. The ratio vof the said gears 50 and 51 is such that the shaft 48 will; make one revolution to two revolutions of the crank shaft 22.

52'denotes a disk loosely mounted upon the rod 42. and bearing against the upper end of the squared portion of said rod. Intermediate'said disk 52 and the outer surface of the head 28 secured in the lower end of the casing or chest 26 is disposed a coil spring 53 which serves to maintain the.

ings 38, 38 in said valve 36 will be brought into register with the intake ports 33, 33, and permit the explosive charge to pass from the carbureter through the pipe 31,

into the hollow valve'36, and pass out of the same through the. large opening 39 at the, upper side thereof, and thence pass into the passage 12 and into the cylinder 11 of the engine. At the same time that the ex plosive charge is entering the cylinder 11, the piston 20 will be traveling downwardly therein and by the time that it has reached its lowermost position the cam 49 will have made a half revolution, whereupon the valve will assume the, position to seal the inlet ports 33, 33 and also seal the exhaust ports 30, '30, 30. With the completion of the ascending stroke of the piston, as shown at Fig. 1, the explosive charge within the cylinder will be ignited, and the piston driven outwardly again. By the time the piston has reached its lowermost positiornthe cam 49 will have revolved ,suiiiciently to cause the three uppermost openings 38, 38, 3.8 in the valve 36 to be brought into register with the three exhaust ports 30, 30, 30 communicating with the exhaust pipe 32, and as the piston ascends the, second time the burnt gases will be discharged from the cylinder through the opening 39 in the hollow valve 36,, and the said three uppermost openings 30, 30, 30 in the opposite side thereof and into the exhaust pipe 31 to the niuflier or atmosphere, as the, case, may be.

The ratio of the gears 52 and 51 arranged respectively upon the cam shaft 48, and the driving shaft 22, is such that the said cam shaft will make one revolution to two complete revolutions of the crank-shaft.

Having thus de'soribedmy invention, what. I claim and desire to secure by Letters, Pat ent, is:

1. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing communicat ing with said cylinder, and provided with a series of equally spacedparallel intake, ports and a similar series of exhaust ports arranged above the same; said series of exhaust ports being, separated from said series of intake ports. by a space differing from that separating the individual portsof each of said series, a valve member working'in said casing having a series, of openings therein,v and means. for bringing certain of said' open'ings said valve alternately into.

register with said intake ports and said exhaust ports,-substantially as specified.

2. In an engine of the character described, the combination of a cylinder and piston workii'i j therein, with a. casing communicating with said cylinder and provided with a series of intake ports and a series of exhaust ports, a hollow valve arranged in said cas ing having an opening therein in constant coiniminication with said cylinder and a series of openings corresponding with said intake ports and exhaust ports, and means for actuating said hollow valve whereby to bring said openings therein alternately into register with said intake ports and exhaust ports in said casing, substantially as specitied.

2-3. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing communicatin g with said cylinder and provided with a series of intake ports and a series of exhaust ports, a hollow valve arranged to work in said casing having an opening in one side thereof normally communicating with said cylinder, and a series of parallel openings in its opposite side corresponding in size with said intake ports and exhaust ports, and means for actuating said hollow valve whereby to bring one set of said openings therein into register with said intake ports, and upon the reverse movement of said hollow valve to bring another set of said openings into register with said exhaust ports, substantially as specified.

4:. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing connected to said cylinder and communicating with the closed end thereof and provided with a series of parallel intake ports, and a series of parallel exhaust ports arranged adjacent thereto, a hollow valve arranged in said casing having an opening in one side thereof in constant communication with said cylinder, and a series of parallel openings in its opposite side corresponding with said intake ports and said exhaust ports, and means for actuating said valve whereby to bring certain of said openings simultaneously into register with said intake ports, and thereafter bring another of said openings simultaneously into register with said exhaust ports, substantially as specified.

5. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing connected to said cylinder and communicating with the closed end thereof, said cylinder having a plurality of exhaust ports and a lesser number of intake ports, a hollow valve arranged to work in said casing having an opening in one side thereof normally communicating with said cylinder, and a series of parallel openings in its opposite side corresponding in size with said intake ports and exhaust ports but of lesser number than the aggre gate of said intake and exhaust ports, and means for actuating said hollow valve whereby to bring certain of said openings therein into register with said intake ports upon the movement of said hollow valve in one direction, and other of said openings into register with said exhaust ports upon the reverse movement of said hollow valve, substantially as specified.

6. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing communicating with the closed end thereof and pro vided with a series of corresponding paral lel and intake ports, and a similar series of exhaust ports arranged parallel with and adjacent thereto, a hollow cylindrical valve arranged in said casing having an opening in one side thereof in constant communication with said cylinder, and a series of parallel openings in its opposite side adapted to register alternately with said intake ports and exhaust ports, a stem extending from said valve, and a cam operated from the driving shaft of the engine and engaging the end of said valve stem, whereby to cause said valve to bring certain of said openings therein into register with said intake ports during the movement of said valve in one direction, and a greater number of said openings therein into register with said exhaust ports during the movement of said valve in the opposite direction, substantially as specified.

7. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing connected to said cylinder and communicating with the closed end thereof and provided with a series of corresponding parallel intake ports, and a similar series of exhaust ports arranged paralled with and adjacent thereto, a hollow cylindrical valve arranged in said casing having a relatively large opening in one side thereof in constant communication with said cylinder, and a series of parallel openings in its opposite side, and certain of said openings adapted to register with said intake ports and a greater number of said openings to register with said exhaust ports, a stem extending from said valve, a shaft supported adjacent to the driving shaft of the engine, a gear arranged upon said shaft, a smaller gear arranged upon the driving shaft and meshing with the gear on said first-named shaft, a cam arranged upon said first-named shaft engaging the end of said valve stem whereby to actuate said valve twice during each revolution of the driving shaft, substantially as specified.

8. In an engine of the character described, the combination of a cylinder and piston working therein, with a casing communicatbeing adapted to register with said exhaust ports, a stem extending from said valve, a cam operated from the driving shaftof the engine and engaging the end of said valve stem, and spring means arranged upon said valve stem for maintaining the end thereof in operative relation tosaid cam, substantially as specified.

9. In an engine of the character described, the combinatlon of a cylinder and piston Working therein, With a casingconnected to said'cylinder and communicating with the closed end thereof, and provided with a series of corresponding parallel intake ports,

and a similar series of exhaustports arranged parallel with and adjacent thereto,

an exhaust pipe connected to said casing and communicating with said exhaust ports therein, an intakepipe partly surrounded by said exhaust pipe and communicating with the intake ports in said casing, a hollow cylindrical valve arranged in said casing having an opening in one side thereof in communication with said cylinder, and a series of openings in the opposite side thereof adapted to register with said intake ports the opposite direction, substantially as specified. Signed at Allentown, Lehigh county, in

the fitate of Pennsylvania, this 22nd day of November,nineteen hundred and eleven.

FRANK MUELLER.

Witnesses WILLIA J. HOWELL,

MARTIN A. REINSMITH.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, c. 

